USN-3408-1: Liblouis vulnerabilities

4 September 2017

Several security issues were fixed in Liblouis.

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Releases

Packages

  • liblouis - Braille translation library - utilities

Details

It was discovered that an illegal address access can be made in
Liblouis. A remote attacker can take advantange of this to
access sensitive information. (CVE-2017-13738, CVE-2017-13744)

It was discovered a heap-based buffer overflow that causes bytes
out-of-bounds write in Liblouis. A remote attacker can use this to
denial of service or remote code execution. (CVE-2017-13739)

It was discovered a stack-based buffer overflow in Liblouis. A remote
attacker can use this to denial of service or possibly unspecified other
impact. (CVE-2017-13740, CVE-2017-13742)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.04
Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

References

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Further reading